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Smart design, compact, and ready for immediate use
Our COMPACT blowers are optionally available as a complete package to ensure easy commissioning and maintenance as well as reliable operation:
  • Also suitable for nitrogen conveying applications (CN versions)
  • Complete plug-and-play systems with integrated package controls and power supply: optionally available with wye-delta start (STC) or variable speed control (OFC)
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BB 69 C Model 14.5 Pound Per Square Inch (psi) Maximum Differential Gauge Pressure Standard Version Rotary Lobe Blower
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BB 89 C Model 14.5 Pound Per Square Inch (psi) Maximum Differential Gauge Pressure Standard Version Rotary Lobe Blower
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CB 111 C Model 11.6 Pound Per Square Inch (psi) Maximum Differential Gauge Pressure Standard Version Rotary Lobe Blower
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CB 131 C Model 14.5 Pound Per Square Inch (psi) Maximum Differential Gauge Pressure Standard Version Rotary Lobe Blower
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DB 166 C Model 14.5 Pound Per Square Inch (psi) Maximum Differential Gauge Pressure Standard Version Rotary Lobe Blower

DB 166 C Model 14.5 Pound Per Square Inch (psi) Maximum Differential Gauge Pressure Standard Version Rotary Lobe Blower
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Description N/A Smart design, compact, and ready for immediate use
Our COMPACT blowers are optionally available as a complete package to ensure easy commissioning and maintenance as well as reliable operation:
  • Also suitable for nitrogen conveying applications (CN versions)
  • Complete plug-and-play systems with integrated package controls and power supply: optionally available with wye-delta start (STC) or variable speed control (OFC)
Brands N/A Kaeser Compressors
Model N/A BB 69 C N/A BB 89 C N/A CB 111 C N/A CB 131 C N/A DB 166 C
Maximum Differential Gauge Pressure N/A 14.5 psi N/A 14.5 psi N/A 11.6 psi N/A 14.5 psi N/A 14.5 psi
Maximum Usable Flow Rate N/A 208 ft³/min N/A 290 ft³/min N/A 311 ft³/min N/A 434 ft³/min N/A 551 ft³/min
Maximum Differential Under Pressure N/A 7.3 psi N/A 7.3 psi N/A 5.8 psi N/A 7.3 psi N/A 7.3 psi
Maximum Intake Volume N/A 208 ft³/min N/A 293 ft³/min N/A 314 ft³/min N/A 438 ft³/min N/A 554 ft³/min
Maximum Rated Motor Power N/A 20 hp N/A 20 hp N/A 25 hp N/A 40 hp N/A 50 hp
Connection Diameter N/A 80 DN N/A 80 DN N/A 80 DN N/A 80 DN N/A 100 DN
Width with Control Cabinet and Sound Enclosure N/A 47.6 in N/A 47.6 in N/A 60.2 in N/A 60.2 in N/A 60.2 in
Depth with Control Cabinet and Sound Enclosure N/A 37.8 in N/A 37.8 in N/A 45.3 in N/A 45.3 in N/A 45.3 in
Height with Control Cabinet and Sound Enclosure N/A 47.2 in N/A 47.2 in N/A 50.8 in N/A 50.8 in N/A 50.8 in
Maximum Weight N/A 1003 lb N/A 1016 lb N/A 1285 lb N/A 1415 lb N/A 1768 lb
Advantages N/A
  • Plug and play operation saves time and money - Blowers with integrated controls result in considerable savings for planning, installation, commissioning, data communication, and certification.
  • Safe and reliable conveying, optimized for your needs - Our SIGMA CONTROL 2 controller not only makes complete systems more efficient, it also continually monitors and transmits performance and status data. The result: Maximum reliability and availability.
  • Compact footprint thanks to intelligent enclosure design - COMPACT blower with sound enclosure. In the STC version, units can be installed side by side, as maintenance access is in the front and air connections are located in the back.
Low Life Cycle Costs N/A Our comprehensive approach to life cycle cost management: Superior efficiency, easy operation, service-friendliness, and the latest in technology to keep performance high well into the future.
Blower Block N/A
  • Robust and durable
  • Energy-efficient Omega Profile rotors
  • Wide control range
Drive Motor N/A
  • IE3 high-efficiency motor
  • Three PTC thermistors as standard
  • Calibrated with OFC frequency controller for variable speed systems
  • Easily accessible, central lubrication port to regrease motor bearings for fast and safe maintenance
Sound Insulation N/A
  • The system's blower and motor cooling air is drawn in from outside the sound enclosure from the cooler ambient surroundings for maximum energy efficiency.
  • Effective sound-proofing provided by thick-walled lining with dense foam and dampening louvers over intake and exhaust openings
  • Absorption silencer minimizes process air pulsation downstream of the blower block
  • Low residual pulsation for minimal sound transfer to downstream piping.
Power Transmission N/A
  • High efficiency
  • V-belt guard for safe operation
  • Automatic belt tensioning for consistently high power transmission ratio
  • Belt tensioning device also serves as motor lifting device when changing the belt.
Sigma Control 2 N/A
  • SIGMA CONTROL 2 with blower-specific software
  • Display and RFID reader provide effective communication and enhanced security.
  • Highly flexible and easily integrates into plant control / SCADA systems thanks to the multiple available interfaces
  • SD card reader for quick and easy updates and logging operating data
ACA Aftercoolers N/A
  • High efficiency ACA aftercoolers specially developed by KAESER for operation with rotary blowers
  • Reduction in blowing air temperature to max. 50 ºF above ambient while maintaining optimum pressure with no cooling water required
  • Electrical connection directly in the blower control cabinet.
Innovative Installation Concept N/A To save space, multiple COMPACT blower units can be installed side by side.
  • All maintenance and installation work can be performed through the front or top of the unit.
  • All valves are mounted directly on the blower unit.
  • The pipe connections and cooling air apertures are located at the rear.
Accessible from the front -
  • Belt tensioning device and tension indicator (two-section belt guard for larger units)
  • Intake filter inspection and change
  • Motor terminal strip
  • Oil drain and filling plug, oil level inspection
Outdoor Installation - No Problem! N/A Installing Kaeser blowers outdoors is simple and inexpensive. The specially designed shields to protect the air inlet apertures against heavy rain are equipped with a bird screen. A stainless steel roof cover also provides protection against overheating due to sun exposure.
Start Control (STC) N/A Control cabinet includes: wye-delta starter (with remote operation capability), sound enclosure fan control, operating hours counter, and KAESER CONTROL (the interface to Kaeser's service facility).
Variable Frequency Control (OFC) N/A Frequency control enables infinite blower speed adjustment and, with the addition of a pressure sensor, also enables pressure regulation. The control unit coordinates operation of the frequency controller and the blower unit. Flexibility is further enhanced by the supplied signal output / input and Profibus connections.
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